Add CI and a small README

.appveyor.yml

@@ -0,0 +1,11 @@
+install:
+  - appveyor-retry appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
+  - if not defined RUSTFLAGS rustup-init.exe -y --default-host x86_64-pc-windows-msvc --default-toolchain nightly
+  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
+  - rustc -V
+  - cargo -V
+
+build: false
+
+test_script:
+  - cargo test

.travis.yml

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+language: rust
+sudo: false
+
+matrix:
+  include:
+    - rust: nightly
+
+script:
+  - cargo test
+
+notifications:
+  email:
+    on_success: never
+

README.md

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+# wasm-bindgen
+
+A CLI and Rust dependency for generating JS bindings of an interface defined in
+Rust (and maybe eventually other languages!)
+
+[![Build Status](https://travis-ci.org/alexcrichton/wasm-bindgen.svg?branch=master)](https://travis-ci.org/alexcrichton/wasm-bindgen)
+[![Build status](https://ci.appveyor.com/api/projects/status/559c0lj5oh271u4c?svg=true)](https://ci.appveyor.com/project/alexcrichton/wasm-bindgen)
+
+# License
+
+This project is licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
+   http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or
+   http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in this project by you, as defined in the Apache-2.0 license,
+shall be dual licensed as above, without any additional terms or conditions.